Abstract: An electrochemical cell including an anode catalyst layer, a cathode catalyst layer, and an electrolyte membrane layer extending between the anode catalyst layer the cathode catalyst layer, and a graphyne-based layer. The graphyne-based layer is disposed between the cathode catalyst layer and the electrolyte membrane layer and/or the anode catalyst layer and the electrolyte membrane layer. The graphyne-based layer is configured to suppress crossover gases and metallic cation exchange to enhance performance and durability of the electrochemical cell.

Abstract: A fuel cell includes an anode catalyst layer, a cathode catalyst layer, an electrolyte membrane layer extending between the anode catalyst layer and the cathode catalyst layer, and a graphyne-based layer. The graphyne-based layer disposed between the cathode catalyst layer and the electrolyte membrane layer or the anode catalyst layer and the electrolyte membrane layer, the graphyne-based layer is configured to suppress crossover gases to enhance performance of the fuel cell. The anode catalyst layer configured to facilitate an electrochemical reaction converting a gaseous hydrogen atom to a proton and an electron.

Abstract: A hydrogen gas storage tank includes a body including a metallic bulk region and one or more protective layers adjacent to the bulk region. One or more of these protective layers comprise a number of graphyne molecules such that the one or more protective layers are configured to lower hydrogen adsorption into the bulk region when compared to a bulk region with protective layers free from graphyne.

Abstract: A fuel cell bipolar plate includes a substrate, and one or more protective layers. The one or more protective layers are adjacent to the substrate, wherein the one or more protective layers contain a number of graphyne molecules, such that each graphyne-containing layer is configured to lower hydrogen adsorption into the substrate when compared to a substrate region free from the protective layers.

Abstract: A current conductor for use in an electrochemical device for removing ions from a solution. The current conductor includes a current conductor substrate having a current conductor surface. The current conductor also includes an anti-corrosive, anti-reactive coating coated onto the current conductor surface. The anti-corrosive, anti-reactive coating contains a material with a chemical composition of AOy, where A=Zr, Nb, Ti, or a combination thereof and 2<y<3; MxAOy, where M=Ca, Mg, Na, or a combination thereof, A=Zr, Nb, Ti, or a combination thereof, 0<x<2, and 2<y<3; MgCr2O4; or a combination thereof.

Abstract: An iterative machine learning interatomic potential (MLIP) training method. The training method includes training a first multiplicity of first MLIP models in a first iteration of a training loop. The training method further includes training a second multiplicity of second MLIP models in a second iteration of the training loop in parallel with the first training step. The training method also includes combining the first MLIP models and the second MLIP models to create an iteratively trained MLIP configured to predict one or more values of a material. The MLIP may be a Gaussian Process (GP) based MLIP (e.g., FLARE). The MLIP may be a graph neural network (GNN) based MLIP (e.g., NequIP or Allegro).

Abstract: An active learning machine learning interatomic potential (MLIP) training method. The method includes receiving one or more datasets associated with a material. The method further includes actively learning a dynamic trajectory in response to the one or more datasets associated with the material. The dynamic trajectory samples a first set of structures and progresses to a second set of structures to create an actively learned MLIP to predict one or more atomic values of the material. The MLIP training method may include biasing the sampling with, for instance, temperature and/or potential biasing.

Abstract: The present disclosure is directed to a tire particulate collection device for a motor vehicle. A tire particulate collection device is disclosed having at least a first chamber which includes a first grate and, a first collection compartment where tire particulate or other debris are collected. The device also comprises a last chamber having a collection plate. The last chamber also has a last collection compartment that allows entry of tire particulate matter into the last collection compartment. During vehicle operation, the tire particulate matter is accelerated through the device due to an applied electric field induced by providing an electrical charge to at least the first grate and collection plate. The tire particulate is then collected within the device.

Abstract: An electrochemical cell (e.g., a fuel cell) includes an anode layer, a cathode layer, and an electrolyte membrane layer disposed between and spacing apart the anode layer and the cathode layer. The electrochemical cell further includes a functional layer disposed at an interface between the cathode layer and the electrode membrane layer. The functional layer includes a composition including a carbon material, an ionomer material, and optionally an amount of catalyst material.

Abstract: An alkaline electrochemical cell component includes a bulk portion and a surface portion including a conductive, electrochemically and chemically stable material having one or more compounds of formula (I): La(Ni1-xCux)O3 (I), where 0<=x<=1, the electrochemical cell having a pH>7.

Abstract: A polymer electrolyte water electrolyzer (PEWE). The PEWE includes a cathode catalyst layer, an anode catalyst layer, and a polymer electrolyte membrane between and separating the anode catalyst layer and the cathode catalyst layer. The PEWE further includes a blocking layer disposed between the cathode catalyst layer and configured to resist unwanted diffusion of ions or molecules through the polymer electrolyte water electrolyzer.

Abstract: An electrochemical cell includes a plurality of components including a membrane electrode assembly including gas diffusion layers, catalyst layers, an exchange membrane, and bipolar plates, the cell being preset to have a target operational relative humidity (RH), and a humidity stabilization system located in or adjacent to at least one of the plurality of components, the system including a hygroscopic material having a critical relative humidity (CRH) value equal to or greater than the target operational RH of the cell.

Abstract: A polymer electrolyte water electrolyzer (PEWE). The PEWE includes a cathode catalyst layer, an anode catalyst layer, and a polymer electrolyte membrane between and separating the anode catalyst layer and the cathode catalyst layer. The PEWE further includes a first blocking layer and/or a second blocking layer. The first blocking layer is disposed between the cathode catalyst layer and configured to resist diffusion of unwanted ions or molecules through the polymer electrolyte membrane. The second blocking layer is disposed between the anode catalyst layer and is configured to resist diffusion of unwanted ions or molecules through the polymer electrolyte membrane.

Abstract: A high temperature electrochemical cell component includes a bulk portion and a surface portion including one or more alkaline earth metal-containing, cobalt free and nickel free, oxides reactive with Cr(HO2)2 such that a most stable reaction between each one of the oxides and the Cr(HO2)2 has a reaction energy of about ?0.1 to ?0.35 eV/at, the oxide(s) being non-reactive with water, the high temperature electrochemical cell having an operating temperature of about 600-1000ºC.

Abstract: A high temperature electrochemical cell includes a solid electrolyte separating a cathode and an anode, an anode flow field adjacent the anode, a cathode flow field, having an exhaust gas stream pathway, downstream from the cathode, and a thermal management system including a controller programmed to, in response to the exhaust gas stream temperature input, activate at least one component, configured to reduce temperature of the exhaust gas stream to a temperature within a threshold range corresponding to a temperature range promoting condensation of Cr-containing gas into solid, liquid, or aqueous Cr2O3 and H2CrO4, the high temperature electrochemical cell having an operating temperature of about 600-1000° C.

Abstract: An electrochemical cell (e.g., a fuel cell) includes an anode layer, a cathode layer, and an electrolyte membrane layer disposed between and spacing part the anode layer and the cathode layer. The electrochemical cell further includes a functional layer disposed at an interface between the cathode layer and the electrode membrane layer. The functional layer includes a composition including a carbon material, an ionomer material, and optionally an amount of catalyst material.

Abstract: An electrochemical cell (e.g., a fuel cell) including an anode catalyst layer, a cathode catalyst layer, and an electrolyte membrane layer extending between the anode catalyst layer the cathode catalyst layer, and a graphene-based layer. The graphene-based layer is disposed between the cathode catalyst layer and the electrolyte membrane layer and/or the anode catalyst layer and the electrolyte membrane layer. The graphene-based layer is configured to suppress crossover gases and metallic cation exchange to enhance performance and durability of the electrochemical cell.

Abstract: A current conductor for use in an electrochemical device for removing ions from a solution. The current conductor includes a current conductor substrate having a current conductor surface. The current conductor also includes an anti-corrosive, anti-reactive coating coated onto the current conductor surface. The anti-corrosive, anti-reactive coating contains a material with a chemical composition of AOy, where A= Zr, Nb, Ti, or a combination thereof and 2 < y < 3; MxAOy, where M= Ca, Mg, Na, or a combination thereof, A= Zr, Nb, Ti, or a combination thereof, 0 < x < 2, and 2 < y < 3; MgCr2O4; or a combination thereof.

Abstract: A disordered rocksalt lithium metal oxide and oxyfluoride as in manganese-vanadium oxides and oxyfluorides well suited for use in high capacity lithium-ion battery electrodes such as those found in lithium-ion rechargeable batteries. A lithium metal oxide or oxyfluoride example is one having a general formula: LixM?aM?bO2-yFy, with the lithium metal oxide or oxyfluoride having a cation-disordered rocksalt structure of one of (a) or (b), with (a) 1.09?x?1.35, 0.1?a?0.7, 0.1?b?0.7, and 0?y?0.7; M? is a low valent transition metal and M? is a high-valent transition metal; and (b) 1.1?x?1.33, 0.1?a?0.41, 0.39?b?0.67, and 0?y?0.3; M? is Mn; and M? is V or Mo. The oxides or oxyfluorides balance accessible Li capacity and transition metal capacity. An immediate application example is for high energy density Li-cathode battery materials, where the cathode energy is a key limiting factor to overall performance. The second structure (b) is optimized for maximal accessible Li capacity.

Abstract: A disordered rocksalt lithium metal oxide and oxyfluoride as in manganese-vanadium oxides and oxyfluorides well suited for use in high capacity lithium-ion battery electrodes such as those found in lithium-ion rechargeable batteries. A lithium metal oxide or oxyfluoride example is one having a general formula: LixM?aM?bO2-yFy, with the lithium metal oxide or oxyfluoride having a cation-disordered rocksalt structure of one of (a) or (b), with (a) 1.09?x?1.35, 0.1?a?0.7, 0.1?b?0.7, and 0?y<0.7; M? is a low valent transition metal and M? is a high-valent transition metal; and (b) 1.1?x?1.33, 0.1?a?0.41, 0.39?b?0.67, and 0?y?0.3; M? is Mn; and M? is V or Mo. The oxides or oxyfluorides balance accessible Li capacity and transition metal capacity. An immediate application example is for high energy density Li-cathode battery materials, where the cathode energy is a key limiting factor to overall performance. The second structure (b) is optimized for maximal accessible Li capacity.